diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/events/intel/knc.c (renamed from arch/x86/kernel/cpu/perf_event_knc.c) | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_knc.c b/arch/x86/events/intel/knc.c index 5b0c232d1ee6..548d5f774b07 100644 --- a/arch/x86/kernel/cpu/perf_event_knc.c +++ b/arch/x86/events/intel/knc.c @@ -5,7 +5,7 @@ #include <asm/hardirq.h> -#include "perf_event.h" +#include "../perf_event.h" static const u64 knc_perfmon_event_map[] = { @@ -263,7 +263,9 @@ again: goto again; done: - knc_pmu_enable_all(0); + /* Only restore PMU state when it's active. See x86_pmu_disable(). */ + if (cpuc->enabled) + knc_pmu_enable_all(0); return handled; } |